SPL review:Leaders Celtic saw their run of 14 straight wins come to an end at Pittodrie, where Aberdeen secured a 1-1 draw thanks to an own goal from Hoops debutant Andre Blackman.
Anthony Stokes latched on to a Kris Commons pass and rounded Dons keeper Jason Brown to put Celtic ahead just before the half hour but the home side equalised just before half-time when Gavin Rae's shot flew in off the unfortunate Blackman.
Celtic still look certain to clinch the league as they lead second-place Rangersby 21 points.
The financially-stricken Gers suffered yet more misery as they went down to their third straight defeat, 2-1 against Heartsat Ibrox.
Rangers were recently docked 10 points for going in to administration but the gloom around the club was lifted slightly by Steve Davis' strike just before half time.
However, Ian Black equalised for Hearts with a 25-yard strike on the hour before Jamie Hammil added a second from a penalty rebound to seal the win for the away side.
Motherwellnow trail Rangers by just three points after beating bottom club Dunfermline2-0.
Michael Higdon put Motherwell ahead in the 64th minute when he drove under Chris Smith before Henrik Ojamaa made it 2-0 six minutes later.
Kilmarnockand St Johnstoneboth ended their goalless draw at Rugby Park with 10 men after Dean Shiels and Ireland striker Cillian Sheridan saw red when Pat Fenlon's Hibernianand St Mirrendrew 0-0 at Easter Road.
